11 A recent surveyed asked a sample of 7th grade students the following question with the given responses: What would you most like to do at school? make good grades, be popular, or be good at sports. The data is summarized by gender below. Use the StatCrunch output to answer the questions that follow. Cell format a. Compute the number of 7th grade females one would Count Expected count Contributions to Chi-Square expect to answer "make good grades" if there is no relationship between gender and what the students most Grades Popular Sports Total want at school. Female 51 27 86 (15.91) (0.2251) (0.9583) (3.931) Male 45 18 24 87 (22.63) (16.09) (0.2225) (0.9473) (3.886) Total 96 45 32 173 b. Conduct the appropriate test to determine if there is a Chi-Square test: relationship between gender and what the students most Measure DF Value P-value want at school. Use a significance level of 0.05. Chi-Square 2 0.0062

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.